CN117512889B - High-speed flatcar that knapsack cloth processing was used - Google Patents
High-speed flatcar that knapsack cloth processing was used Download PDFInfo
- Publication number
- CN117512889B CN117512889B CN202410018017.3A CN202410018017A CN117512889B CN 117512889 B CN117512889 B CN 117512889B CN 202410018017 A CN202410018017 A CN 202410018017A CN 117512889 B CN117512889 B CN 117512889B
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- presser foot
- plate
- speed
- flatcar
- groove
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- 239000004744 fabric Substances 0.000 title claims abstract description 52
- 238000012545 processing Methods 0.000 title claims abstract description 24
- 230000005540 biological transmission Effects 0.000 claims description 13
- 238000001125 extrusion Methods 0.000 claims description 12
- 230000005389 magnetism Effects 0.000 claims description 4
- 238000009958 sewing Methods 0.000 abstract description 8
- 230000033001 locomotion Effects 0.000 description 15
- 230000001360 synchronised effect Effects 0.000 description 4
- 230000013011 mating Effects 0.000 description 3
- 230000000452 restraining effect Effects 0.000 description 3
- 230000001960 triggered effect Effects 0.000 description 3
- 238000009434 installation Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 230000001737 promoting effect Effects 0.000 description 1
- 238000006748 scratching Methods 0.000 description 1
- 230000002393 scratching effect Effects 0.000 description 1
Classifications
-
- D—TEXTILES; PAPER
- D05—SEWING; EMBROIDERING; TUFTING
- D05B—SEWING
- D05B27/00—Work-feeding means
- D05B27/02—Work-feeding means with feed dogs having horizontal and vertical movements
- D05B27/06—Work-feeding means with feed dogs having horizontal and vertical movements arranged above and below the workpieces
Landscapes
- Engineering & Computer Science (AREA)
- Textile Engineering (AREA)
- Sewing Machines And Sewing (AREA)
Abstract
The invention belongs to the technical field of sewing machines, in particular to a high-speed flatcar for processing knapsack cloth, which comprises a presser foot and a cloth feeding tooth, wherein a movable groove is formed in the inner side of the presser foot, a limiting tooth is connected to the inner side of the movable groove in an up-down sliding manner, and when the limiting tooth extends downwards out of the bottom surface of the presser foot, the limiting tooth can be clamped with the cloth feeding tooth to limit the cloth feeding function of the presser foot.
Description
Technical Field
The invention belongs to the technical field of sewing machines, and particularly relates to a high-speed flat car for processing knapsack cloth.
Background
The knapsack refers to a bag or a bag carried on the back when going out, when the knapsack cloth is processed into the knapsack, a small and medium-sized factory generally uses a high-speed flat car to stitch a plurality of pieces of knapsack cloth, and the condition that the fingers of a worker are pricked by a needle of the high-speed flat car happens due to the high processing speed of the sewing machine of the high-speed flat car.
Disclosure of Invention
To solve the problems set forth in the background art. The invention provides a high-speed flatcar for processing knapsack cloth, which has the characteristic of stopping continuous movement of the cloth before fingers of workers are pricked by a car needle.
In order to achieve the above purpose, the present invention provides the following technical solutions: the utility model provides a high-speed flatcar that knapsack cloth processing was used, includes presser foot and feed dog, the movable groove has been seted up to the inboard of presser foot, sliding connection has the restriction tooth about the inboard of movable groove, works as when restriction tooth stretches out the presser foot bottom surface downwards, restriction tooth can with feed dog block restriction its work feed.
The high-speed flatcar for processing the knapsack cloth is preferable, and the structural strength of the limiting teeth is larger than that of the cloth feeding teeth.
As the high-speed flatcar for processing the knapsack cloth, the high-speed flatcar is preferable, the inner side of the presser foot is provided with the movable groove, the inner side of the movable groove is connected with the movable plate in a sliding manner, the bottom end of the movable plate is fixedly connected with the extrusion plate, the inner side of one end of the presser foot is provided with the extrusion groove, the extrusion plate is connected with the inner side of the extrusion groove in a sliding manner, one end of the limiting tooth is provided with the chute, and the chute is communicated and aligned with the extrusion groove.
As a high-speed flatcar for processing a back bag cloth according to the present invention, it is preferable that the moving plate has magnetism, and the restricting teeth can be attracted by the magnetism.
As the high-speed flatcar for processing the knapsack cloth, the invention is preferable, the balance plates are fixedly connected on the front side and the rear side of the bottom end of the movable plate, and the inner side of one end of the presser foot is provided with the balance groove capable of enabling the balance plates to slide.
As the high-speed flatcar for processing the knapsack cloth, the invention is preferable, one end of the moving plate is fixedly connected with a connecting plate, and one end of the connecting plate is connected with the inner side of the presser foot in a sliding way.
As the high-speed flatcar for processing the knapsack cloth, the invention is preferable, the number of the two connecting plates is two, and the tail ends of the two connecting plates are fixedly connected with a synchronous block.
As the high-speed flatcar for processing the knapsack cloth, the high-speed flatcar is preferable, the inner side of one end of the presser foot is connected with the transmission rod in a sliding manner, one end of the transmission rod extends to the inner side of the moving groove, the other end of the transmission rod is contacted with the scram switch, and the scram switch is fixedly connected to the inner side of one end of the presser foot.
As the high-speed flatcar for processing the knapsack cloth, the high-speed flatcar is preferable, and a chamfer is formed at the bottom of a movable groove formed in the presser foot.
Compared with the prior art, the invention has the beneficial effects that: the invention aims at improving the presser foot of the high-speed flat car, and the improved presser foot can stop the continuous movement of cloth before the fingers of a worker are pricked by the car needle, so that the situation that the fingers of the worker are pricked by the car needle can be well reduced.
Drawings
The accompanying drawings are included to provide a further understanding of the invention and are incorporated in and constitute a part of this specification, illustrate the invention and together with the embodiments of the invention, serve to explain the invention. In the drawings:
FIG. 1 is a schematic diagram of the overall structure of the present invention;
FIG. 2 is a plan view of the overall structure of the present invention;
FIG. 3 is a cross-sectional view of the overall structure of the present invention;
FIG. 4 is a first perspective three-dimensional view of the mating structure of the restraining teeth of the present invention;
FIG. 5 is a second perspective three-dimensional view of the mating structure of the restraining teeth of the present invention;
FIG. 6 is a third perspective, three-dimensional view of the mating structure of the restraining teeth of the present invention;
FIG. 7 is a three-dimensional view showing the positional relationship between the pressing groove and the movable groove in the present invention;
Fig. 8 is a three-dimensional view showing the positional relationship between the pressing plate and the pressing groove in the present invention.
In the figure:
1. A presser foot; 2. a feed dog; 3. limiting teeth; 31. a movable groove; 4. a moving plate; 41. a moving groove; 5. an extrusion plate; 51. an extrusion groove; 6. a chute; 7. a balance plate; 8. a balancing groove; 9. a connecting plate; 10. a synchronization block; 11. a transmission rod; 12. an emergency stop switch; 13. chamfering.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
As shown in fig. 1-8:
The utility model provides a high-speed flatcar that knapsack cloth processing was used, includes presser foot 1 and feed dog 2, movable groove 31 has been seted up to the inboard of presser foot 1, the inboard of movable groove 31 is connected with limit tooth 3 in a sliding manner from top to bottom, the motion track of feed dog 2 of sewing machine is usually oval-like, feed dog 2 on the sewing machine is used for promoting the fabric and reciprocates, they insert and withdraw from the fabric through the up-and-down motion, this up-and-down motion is usually carried out along an oval track, can ensure like this that the fabric keeps steady and can not damaged by the tooth in the sewing process, when limit tooth 3 stretches out presser foot 1 bottom surface downwards, limit tooth 3 can block with feed dog 2, prevent feed dog 2 to continue to promote the fabric forward, thereby realize limit tooth 3 can block with feed dog 2 and restrict its feed function.
Further, the method comprises the steps of;
In an alternative embodiment, the structural strength of the limiting tooth 3 is greater than that of the feeding tooth 2, so that when the limiting tooth 3 and the feeding tooth 2 are engaged, the limiting tooth 3 can effectively limit the continuous movement of the feeding tooth 2, and further prevent the feeding tooth 2 from driving the knapsack cloth to move continuously, if the structural strength of the feeding tooth 2 is greater than that of the limiting tooth 3, the limiting tooth 3 may be damaged first when the limiting tooth 3 and the feeding tooth 2 are engaged and collide, the capability of limiting the continuous movement of the feeding tooth 2 is lost, and it should be noted that in the scheme of limiting the movement of the feeding tooth 2 and thus the movement of the cloth, the feeding tooth 2 may be permanently damaged, so that after the limiting tooth 3 of the present invention stops the accident, the high-speed flatcar needs to be maintained.
In an alternative embodiment, the inner side of the presser foot 1 is provided with a moving groove 41, the inner side of the moving groove 41 is slidably connected with a moving plate 4, as shown in fig. 3, by matching the moving groove 31 with the moving plate 4, the moving plate 4 can slide left and right stably, the bottom end of the moving plate 4 is fixedly connected with a pressing plate 5, the inner side of one end of the presser foot 1 is provided with a pressing groove 51, the pressing plate 5 is slidably connected with the inner side of the pressing groove 51, one end of the limiting tooth 3 is provided with a chute 6, the chute 6 is in communication alignment with the pressing groove 51, the pressing plate 5 can slide in the pressing groove 51 and the chute 6 simultaneously, after the pressing plate 5 enters the chute 6 from the pressing groove 51 through movement, the limiting tooth 3 can be pressed downwards, the limiting tooth 3 can move downwards to extend out of the bottom end surface of the presser foot 1, the design also has the advantages that the downward movement of the limiting teeth 3 is better realized under the condition of saving space, if no chute 6 is arranged, the limiting teeth 3 are pressed downwards through the extruding plate 5, the extruding plate 5 is necessarily required to be provided with an inclined plane, as shown in figure 3, the left side of the extruding plate 5 in the figure is provided with the inclined plane, a part of the inclined plane of the extruding plate 5 can enter the chute 6 arranged on the limiting teeth 3, the contact area between the extruding plate 5 and the chute 6 is increased, so that the installation stability of the extruding plate 5 can be improved, meanwhile, the inclined plane part of the extruding plate 5 is arranged in the chute 6, when the extruding plate 5 moves, the extruding plate 5 can move to enable the limiting teeth 3 to move downwards more smoothly, the blocking phenomenon is avoided, the inclined plane is necessarily increased, the whole length of the extruding plate 5 is arranged (in order to enable the extruding plate 5 to be well pressed downwards, the inclined plane of the extruding plate 5 is close to the horizontal, the more labor-saving but longer in length), the inner space of the presser foot 1 is occupied, and by arranging the chute 6 on the inner side of the limiting tooth 3, not only can the chute 6 accommodate the inclined surface portion of the pressing plate 5, but also the space occupied by the pressing plate 5 in the presser foot 1 is reduced, and even if the pressing plate 5 does not have an inclined surface, the pressing plate 5 moves in the chute 6, and the effect of downwardly pressing the limiting tooth 3 is still achieved.
In an alternative embodiment, the moving plate 4 has magnetism, the limiting teeth 3 can be attracted by magnetic force, so that the limiting teeth 3 and the moving plate 4 are connected through magnetic force, not only can the limiting teeth 3 be prevented from sliding from the inner side of the movable groove 31, but also the installation complexity of using a spring can be avoided.
In an alternative embodiment, the balance plate 7 is fixedly connected to the front and rear sides of the bottom end of the moving plate 4, and the balance groove 8 capable of sliding the balance plate 7 is formed inside one end of the presser foot 1, as shown in fig. 6, when the extruding plate 5 moves to the top end surface of the limiting teeth 3 along the chute 6, the balance plate 7 can also be pressed against the top end surface of the limiting teeth 3, because when the extruding plate 5 moves to the top end surface of the limiting teeth 3 along the chute 6, the top end surface of the limiting teeth 3 is flush with the bottom end of the balance plate 7 with respect to the balance plate 7, and therefore, the limiting teeth 3 at this time can be supported by the extruding plate 5 and the balance plate 7 at the same time, so that the stability of the limiting teeth 3 can be improved.
In an alternative embodiment, a connecting plate 9 is fixedly connected to one end of the moving plate 4, and one end of the connecting plate 9 is slidably connected to the inner side of the presser foot 1.
In an alternative embodiment, the number of the connection plates 9 is two, and one synchronization block 10 is fixedly connected to the end of each connection plate 9.
In an alternative embodiment, a transmission rod 11 is slidably connected to the inner side of one end of the presser foot 1, one end of the transmission rod 11 extends to the inner side of the moving slot 41, the other end of the transmission rod 11 contacts with a scram switch 12, and the scram switch 12 is fixedly connected to the inner side of one end of the presser foot 1.
In an alternative embodiment, the bottom of the movable slot 31 provided with the presser foot 1 is provided with a chamfer 13, and the chamfer 13 provided below the movable slot 31 can prevent the feed dog 2 from scratching the bottom of the movable slot 31 through the provided chamfer 13 when the feed dog 2 passes through the movable slot 31.
In this embodiment: the knapsack refers to a bag or a bag carried on the back when going out, when the knapsack cloth is processed into the knapsack, a small and medium-sized factory generally uses a high-speed flat car to stitch a plurality of pieces of knapsack cloth, and as the processing speed of the sewing machine of the high-speed flat car is higher, the situation that the fingers of a worker are pricked by the needle of the high-speed flat car occurs;
when a worker uses the high-speed flat bed machine, the worker presses the cloth by hand, and the fingers and the cloth synchronously move to ensure that a plurality of cloth can be aligned without sewing askew, and the worker is pricked with the fingers by the high-speed flat bed machine, generally, the moving speed of the cloth is higher because the hands move along with the cloth, and the fingers of the worker are not separated from the cloth in time, so that the fingers are pricked with the needle along with the cloth;
The invention is to improve the presser foot 1 of the high-speed flat car, the presser foot 1 after improvement can stop the continuous movement of cloth before the fingers of a worker are pricked by the car needle, thus can well reduce the situation that the fingers of the worker are pricked by the car needle, the invention only needs to improve on the presser foot 1, can well reduce the occurrence of accidents, and the improvement cost is lower;
When the presser foot 1 is used for processing operation, if an operator walks with fingers to follow cloth and enter the position of the presser foot 1, the fingers of the operator firstly contact with the synchronizing block 10 and push the synchronizing block 10, the front end of the presser foot 1 is provided with an upward tilting cambered surface, if the front end of the presser foot 1 is not blocked by the synchronizing block 10, the fingers easily enter the bottom of the presser foot 1 along the inertia of the cloth, so that the fingers are pricked by a needle, the front end of the synchronizing block 10 is not provided with the cambered surface, the front end of the synchronizing block 10 is easily pushed by the fingers, the connecting plate 9 is driven to move together after the pushing of the synchronizing block 10, the moving plate 9 moves to drive the moving plate 4, the moving plate 4 moves to drive the extruding plate 5 and the balance plate 7 to synchronously move, the extruding plate 5 firstly downwards presses the limiting tooth 3 along the chute 6, and after the limiting tooth 3 moves downwards, the balance plate 7 also moves to the top plane of the limiting tooth 3, so that the limiting tooth 3 is further supported, and when the extruding plate 5 and the balance plate 7 are simultaneously pressed on the top plane of the limiting tooth 3, the limiting tooth 3 is enough to be clamped with the cloth feeding tooth 2, so that the moving part is not separated from the moving limiting tooth 3 and the moving part of the limiting tooth 3 is still enough to be used as a magnetic force limiting tooth 3, and the magnetic force is not separated from the moving part of the limiting tooth 3, and the moving part is not limited by the moving the limiting tooth 3, and the limiting tooth 3 and the moving part is not completely has the limiting groove 31;
After the limiting teeth 3 extend downwards to the bottom end face of the presser foot 1, the active movement of the feed teeth 2 can strike against the teeth of the limiting teeth 3, so that the feed teeth 2 are limited and cannot move continuously, permanent damage can occur to the feed teeth 2 at the moment, when the feed teeth 2 are permanently damaged, the feed speed of the feed teeth 2 can be greatly reduced or stop feeding, and furthermore, as shown in fig. 3, the moving plate 4 moves leftwards and then contacts with the transmission rod 11, the transmission rod 11 is pushed, the emergency stop switch 12 is pressed after the transmission rod 11 moves, and the operation of the high-speed flatcar can be immediately stopped after the emergency stop switch 12 is triggered, so that the fingers of a worker are further prevented from being pricked by a car needle.
The supplementary ones are: the device has a one-time safety protection function, and after the above protection work on the fingers of workers is completed after the synchronous block 10 is triggered, the device can be damaged, the presser foot 1 assembly of the invention needs to be replaced, meanwhile, the maintenance is carried out according to the actual damage condition of the high-speed flat car, but the movement of the synchronous block 10 is triggered not frequently, once the movement happens, if the presser foot 1 assembly of the invention is not damaged, the synchronous block 10 can be pulled back by hands.
Finally, it should be noted that: the foregoing description is only a preferred embodiment of the present invention, and the present invention is not limited thereto, but it is to be understood that modifications and equivalents of some of the technical features described in the foregoing embodiments may be made by those skilled in the art, although the present invention has been described in detail with reference to the foregoing embodiments. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (6)
1. The utility model provides a high-speed flatcar that knapsack cloth processing was used, includes presser foot (1) and feed dog (2), its characterized in that: the inner side of the presser foot (1) is provided with a movable groove (31), the inner side of the movable groove (31) is connected with a limiting tooth (3) in an up-down sliding mode, and when the limiting tooth (3) downwards extends out of the bottom surface of the presser foot (1), the limiting tooth (3) can be clamped with the cloth feeding tooth (2) to limit the cloth feeding function of the cloth feeding tooth; the inner side of the presser foot (1) is provided with a movable groove (41), the inner side of the movable groove (41) is connected with a movable plate (4) in a sliding manner, the bottom end of the movable plate (4) is fixedly connected with an extrusion plate (5), one end of the presser foot (1) is provided with an extrusion groove (51) in an inner side, the extrusion plate (5) is connected with the inner side of the extrusion groove (51) in a sliding manner, one end of the limiting tooth (3) is provided with a chute (6), and the chute (6) is communicated and aligned with the extrusion groove (51); one end of the moving plate (4) is fixedly connected with a connecting plate (9), and one end of the connecting plate (9) is connected to the inner side of the presser foot (1) in a sliding manner; the number of the connecting plates (9) is two, the tail ends of the two connecting plates (9) are fixedly connected with a synchronizing block (10), and when fingers are in contact with the synchronizing block (10) and push the synchronizing block (10), the extruding plate (5) downwards presses the limiting teeth (3).
2. The high-speed flatcar for processing knapsack cloth according to claim 1, wherein: the structural strength of the limiting teeth (3) is greater than that of the cloth feeding teeth (2).
3. The high-speed flatcar for processing knapsack cloth according to claim 2, wherein: the moving plate (4) has magnetism, and the limiting teeth (3) can be attracted by the magnetic force.
4. A high speed flatcar for processing knapsack cloth according to claim 3, wherein: the balance plate (7) is fixedly connected to the front side and the rear side of the bottom end of the movable plate (4), and a balance groove (8) capable of enabling the balance plate (7) to slide is formed in the inner side of one end of the presser foot (1).
5. The high-speed flatcar for processing knapsack cloth according to claim 4, wherein: the inner side of one end of the presser foot (1) is slidably connected with a transmission rod (11), one end of the transmission rod (11) extends to the inner side of the moving groove (41), the other end of the transmission rod (11) is in contact with a scram switch (12), and the scram switch (12) is fixedly connected to the inner side of one end of the presser foot (1).
6. The high-speed flatcar for processing knapsack cloth according to claim 5, wherein: a chamfer (13) is arranged at the bottom of the movable groove (31) arranged on the presser foot (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202410018017.3A CN117512889B (en) | 2024-01-05 | 2024-01-05 | High-speed flatcar that knapsack cloth processing was used |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202410018017.3A CN117512889B (en) | 2024-01-05 | 2024-01-05 | High-speed flatcar that knapsack cloth processing was used |
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| CN117512889A CN117512889A (en) | 2024-02-06 |
| CN117512889B true CN117512889B (en) | 2024-04-26 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202410018017.3A Active CN117512889B (en) | 2024-01-05 | 2024-01-05 | High-speed flatcar that knapsack cloth processing was used |
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| CN117512889A (en) | 2024-02-06 |
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